Home / 2,220.14-3,330.16-576.68

Finding the Fourth Proportional to 2,220.14, 3,330.16 and 576.68

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Solution

The fourth proportional to 2,220.14, 3,330.16 and 576.68 is: 865.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.14 : 3,330.16 = 576.68 : x
  2. Step 2: Convert to fraction form
    2,220.14/3,330.16 = 576.68/x
  3. Step 3: Cross multiply
    2,220.14x = 3,330.16 × 576.68
  4. Step 4: Simplify right side
    2,220.14x = 1,920,436.67
  5. Step 5: Solve for x
    x = 1,920,436.67/2,220.14
  6. Step 6: Final answer
    x = 865.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.